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https://issues.apache.org/jira/browse/HBASE-25513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17351420#comment-17351420
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Hudson commented on HBASE-25513:
--------------------------------
Results for branch branch-2
[build #260 on
builds.a.o|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/260/]:
(x) *{color:red}-1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/260/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/260/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/260/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(x) {color:red}-1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/260/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(x) {color:red}-1 client integration test{color}
--Failed when running client tests on top of Hadoop 2. [see log for
details|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/260//artifact/output-integration/hadoop-2.log].
(note that this means we didn't run on Hadoop 3)
> When the table is turned on normalize, the first region may not be merged
> even the size is 0
> --------------------------------------------------------------------------------------------
>
> Key: HBASE-25513
> URL: https://issues.apache.org/jira/browse/HBASE-25513
> Project: HBase
> Issue Type: Bug
> Components: Normalizer
> Affects Versions: 3.0.0-alpha-1, 2.4.1
> Reporter: Baiqiang Zhao
> Assignee: Baiqiang Zhao
> Priority: Major
> Fix For: 3.0.0-alpha-1, 2.5.0, 2.4.2
>
>
> Suppose a table has 8 regions, the sizes are [0, 10, 1, 0, 9, 0, 12, 0], the
> average region size is 4, and split is disabled.
> The current Normalizer can only get three merge plans (use size to represent
> region):
> [1, 0], [9, 0],[12, 0]
> It can not merge the first region, even it's size is 0.
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